1545358997399 has 8 divisors (see below), whose sum is σ = 1766145712128. Its totient is φ = 1324577568600.

The previous prime is 1545358997363. The next prime is 1545358997407. The reversal of 1545358997399 is 9937998535451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1545358997399 - 2²⁸ = 1545090561943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545358997339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673847 + ... + 1882760.

It is an arithmetic number, because the mean of its divisors is an integer number (220768214016).

Almost surely, 2^{1545358997399} is an apocalyptic number.

1545358997399 is a deficient number, since it is larger than the sum of its proper divisors (220786714729).

1545358997399 is an equidigital number, since it uses as much as digits as its factorization.

1545358997399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642965.

The product of its digits is 1653372000, while the sum is 77.

The spelling of 1545358997399 in words is "one trillion, five hundred forty-five billion, three hundred fifty-eight million, nine hundred ninety-seven thousand, three hundred ninety-nine".